I have MQTT event bus binding. So every time when Z-wave sensor reports some value it is published on event bus. If you have Nodered installed then simple trigger node with restartable delay as on config below, subscribed to sensor data, will do the job
E.g I have Aeon Multisensor, sending temperature/humidity reports every 10 minutes. Timeout of delay node is set to 25 mins. If sensor becomes dead (in my case it happened once due to Z-wave stick deadness) it triggers some actions - sends email that Openhab is dead in my case for example. Sorry is it is too specific to my setup.
